The film is adapted from the large-scale martial arts online game "Jian Wang 3", with the main line of martial arts love and hatred, telling the story of Ye Wei's realization of the sword and becoming a generation of swordsmen. During tournament at the Smoky Rain Tower (Yanyulou), Ye Wei, the third son of the Hidden Sword, meets Liu Xi, the eldest daughter of the Northlands' Bastard Sword Villa, and Liu Fuyun, the second son. In an accident, Ye Wei was wounded by his own sword formation and lost all his martial arts skills due to a broken meridian. The two of them live in seclusion, hiding from their families, and are engaged for life.